八上仁爱版英Unit4Topic2IamsuretherearenoUFOsSectionB教学案例Themainactivitiesare1aand2.本课重点活动是1a和2。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomeusefulwordsandexpressions:toward(s),plate,planet,information,mistake…for…,object,balloon,callfor,wake,wakeup,real2.Goonlearningtoexpresscertaintyanduncertainty(besure/benotsure)andreviewPastContinuousTense:(1)AUFOflewovermyheadwhileIwaswalkingtowardthebusstopyesterday.(2)I’mquitesurethereareUFOs.(3)I’mnotsosure.Evenscientistsaren’tsurewhetherthereareUFOs.(4)I’msuretherearenoUFOs.(5)I’mnotsurewhether/ifrobotswillmakehumanslosetheirjobs.(6)WhileJimwassleeping,hesawaUFOflyingoverhishead.Ⅱ.Teachingaids教具录音机/图片/小黑板Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:12分钟)1.(猜谜游戏：复习过去进行时和肯定与不肯定句式的用法。)(把学生分成三人一组，一人在纸上写一个动作，让另外两位同学猜他在做什么，猜时要用上I’msure./I’mquitesure./I’mnotsure.练习之后，以小组为单位在台前表演。)(教师找两位学生帮忙，做出示范。S1写出动作。)T:WhatwasS1doingatthistimeyesterday?S2:ShewaswatchingTV.T:Areyousure?S2:Yes,I’mquitesure.S1:Yes,IwaswatchingTVatthattime.(小组练习完之后，找几组学生表演。)2.(检查作业：汇报搜集到的有关机器人和不明飞行物的信息。师生对话，引出生词，导入新课。)T:I’msureyouweresearchingfortheinformationaboutrobotsandUFOslastnight.Pleasegiveareportaboutit.3.(教师从报纸、杂志、网上找一些UFO的图片，导入新课。)T:(出示图片)YouhaveknownmuchaboutrobotsandUFOs.Ihavesomepictureshere.Lookatthesepictures.Whatarethese?Ss:TheyareUFOs.(板书)UFOT:WhatdotheUFOslooklike?Ss:Theylooklikeplates.(板书)plateT:I’mnotsurewhetherthereareUFOs.AreyousurethereareUFOs,S3?(板书并帮助学生理解表达不确定的句式。)I’mnotsurewhether/ifthereareUFOs.S3:Yes,I’mquitesure.T:Whataboutyou,S4?S4:I’mnotsurewhetherthereareUFOs.T:I’mnotsure,either.Becausetherearenolivingthingsonotherplanets.(板书)planetT:Theearthisaplanet.Mars(火星)isaplanet,too.Step2Presentation第二步呈现(时间:8分钟)1.(设置听力任务，播放1a录音。)T:MostofusarenotsurewhetherthereareUFOs.ButJanesawaUFOyesterday.IstherereallyaUFO?They’retalkingaboutit.Nowlistento1aandanswerthefollowingquestion:WhatwasJanedoingwhileaUFOflewoverherhead?(听后找学生回答。)S1:Shewaswalkingtowardthebusstop.(帮助学生说toward。)(板书并解释。)toward(s)—to2.(阅读1a，完成1b。)T:SomestudentsaresurethereareUFOs,butsomestudentsaren’tsureaboutthis.WhataboutMichael,KangkangandMaria?Read1aandfinish1b.(2分钟后检查。)S2:MichaelisquitesurethereareUFOs.S3:Kangkangisnotsure.S4:MariaissuretherearenoUFOs.Step3Consolidation第三步巩固(时间:8分钟)1.(再次播放录音1a，让学生跟读，注意语音语调。)T:Listentothetapeandfollow.Payattentiontothepronunciationandintonation.2.(根据1b表格。四人一组练习1a对话。)T:Pleasepracticethedialogusingtheinformationin1b.ThenI’llletsomeofyouactitout.(练习2分钟后，让几组学生在全班学生面前表演。)3.(用给出的句子编对话，完成1c。)T:From1aweknowthescientistsaren’tsurewhetherthereareUFOs.ButI’msuretherearerobots.Areyousure,S1?S1:I’mquitesure.T:I’msurerobotswillmakehumanslosetheirjobs.S2:I’mnotsurewhetherrobotswillmakehumanslosetheirjobs.T:Lookattheexamplein1c.Canyoumakesimilardialogsbyusingthesentencesinthebox?(2分钟后，挑几组学生表演。)Step4Practice第四步练习(时间:12分钟)1.(利用实物，引出生词及词组，引入2。)T:(拿出气球)What’sthisobject?(板书)objectS1:It’saballoon.(帮助学生回答)(板书)balloonT:...
